[INFO] fetching crate swap_channel 0.3.0...
[INFO] testing swap_channel-0.3.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate swap_channel 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate swap_channel 0.3.0
[INFO] finished tweaking crates.io crate swap_channel 0.3.0
[INFO] tweaked toml for crates.io crate swap_channel 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate swap_channel 0.3.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0dac7da74381890006489bfbfc6579a41a72133871192ace5ade8e86016c3e74
[INFO] running `Command { std: "docker" "start" "-a" "0dac7da74381890006489bfbfc6579a41a72133871192ace5ade8e86016c3e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dac7da74381890006489bfbfc6579a41a72133871192ace5ade8e86016c3e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dac7da74381890006489bfbfc6579a41a72133871192ace5ade8e86016c3e74", kill_on_drop: false }`
[INFO] [stdout] 0dac7da74381890006489bfbfc6579a41a72133871192ace5ade8e86016c3e74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b025b6c28d4d8e1971881f755e81a9797e54cfa57a2fb7053d2fdaa11231edf
[INFO] running `Command { std: "docker" "start" "-a" "2b025b6c28d4d8e1971881f755e81a9797e54cfa57a2fb7053d2fdaa11231edf", kill_on_drop: false }`
[INFO] [stderr]    Compiling swap_channel v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "2b025b6c28d4d8e1971881f755e81a9797e54cfa57a2fb7053d2fdaa11231edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b025b6c28d4d8e1971881f755e81a9797e54cfa57a2fb7053d2fdaa11231edf", kill_on_drop: false }`
[INFO] [stdout] 2b025b6c28d4d8e1971881f755e81a9797e54cfa57a2fb7053d2fdaa11231edf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88bb768fe38e1b204de0a19cfa2341a31493ca65f9774bfe8ced8a1164e71117
[INFO] running `Command { std: "docker" "start" "-a" "88bb768fe38e1b204de0a19cfa2341a31493ca65f9774bfe8ced8a1164e71117", kill_on_drop: false }`
[INFO] [stderr]    Compiling swap_channel v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "88bb768fe38e1b204de0a19cfa2341a31493ca65f9774bfe8ced8a1164e71117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88bb768fe38e1b204de0a19cfa2341a31493ca65f9774bfe8ced8a1164e71117", kill_on_drop: false }`
[INFO] [stdout] 88bb768fe38e1b204de0a19cfa2341a31493ca65f9774bfe8ced8a1164e71117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76c0aa5f6ee821161e483726b1fc4fa527d77c939b1298df7134376b0ec54346
[INFO] running `Command { std: "docker" "start" "-a" "76c0aa5f6ee821161e483726b1fc4fa527d77c939b1298df7134376b0ec54346", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/swap_channel-1fc475b55f92388d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test directed::tests::ensure_channel_is_object_safe ... ok
[INFO] [stdout] test directed::tests::test ... ok
[INFO] [stdout] test undirected::tests::test ... ok
[INFO] [stdout] test undirected::tests::ensure_channel_is_object_safe ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests swap_channel
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "76c0aa5f6ee821161e483726b1fc4fa527d77c939b1298df7134376b0ec54346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c0aa5f6ee821161e483726b1fc4fa527d77c939b1298df7134376b0ec54346", kill_on_drop: false }`
[INFO] [stdout] 76c0aa5f6ee821161e483726b1fc4fa527d77c939b1298df7134376b0ec54346